Gas-fired boiler for central heating and hot water



FIG. 1 is a front and right side perspective view of a gas-fired boiler for central heating and hot water, showing my new design;

FIG. 2 is a front and left side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof, the opposite side being a mirror image of that shown;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevation view thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a gas-fired boiler for central heating and hot water, as shown and described. 